package com.mmall.controller.backend;

import com.mmall.common.Const;
import com.mmall.common.ResponseCode;
import com.mmall.common.ServerResponse;
import com.mmall.dao.UserMapper;
import com.mmall.pojo.User;
import com.mmall.service.ICategoryService;
import com.mmall.service.IUserService;
import com.mmall.service.impl.CategoryServiceImpl;
import org.apache.ibatis.annotations.Param;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpSession;

@Controller
@RequestMapping("/manage/category")
public class CategoryManageController {

    @Autowired
    private IUserService iUserService;

    @Autowired
    private ICategoryService iCategoryService;

    /**
     * 获取分类信息
     * @param session
     * @param categoryId
     * @return
     */
    @RequestMapping("get_category.do")
    @ResponseBody
    public ServerResponse getChildrenParallelCategory(HttpSession session, @RequestParam(value = "categoryId",defaultValue = "0") Integer categoryId){
        User user=(User) session.getAttribute(Const.CURRENT_USER);
        if(user==null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),"用户未登录,请登录");
        }
        if(iUserService.checkUserRole(user).isSuccess()){
            return iCategoryService.getChildrenParallelCategory(categoryId);
        }else{
            return  ServerResponse.createByErrorMessage("无权限操作,需要管理员权限");
        }
    }

    /**
     * 添加分类
     * @param session
     * @param parentId
     * @param categoryName
     * @return
     */
    @RequestMapping("add_category.do")
    @ResponseBody
    public  ServerResponse addCategory(HttpSession session,String categoryName,@RequestParam(value = "parentId",defaultValue = "0") int parentId){
        User user=(User) session.getAttribute(Const.CURRENT_USER);
        if(user==null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),"用户未登录,请登录");
        }
        if(iUserService.checkUserRole(user).isSuccess()){
            return iCategoryService.addCategory(categoryName,parentId);
        }else{
            return  ServerResponse.createByErrorMessage("无权限操作,需要管理员权限");
        }
    }

    /**
     * 更新分类名称
     * @param session
     * @param categoryId
     * @param categoryName
     * @return
     */
    @RequestMapping("set_category_name.do")
    @ResponseBody
    public  ServerResponse setCategoryName(HttpSession session,Integer categoryId,String categoryName){
        User user=(User) session.getAttribute(Const.CURRENT_USER);
        if(user==null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),"用户未登录,请登录");
        }
        if(iUserService.checkUserRole(user).isSuccess()){
            return iCategoryService.updateCategoryName(categoryId,categoryName);
        }else{
            return  ServerResponse.createByErrorMessage("无权限操作,需要管理员权限");
        }
    }

    /**
     * 获取当前分类id及递归子节点categoryId
     * @param session
     * @param categoryId
     * @return
     */
    @RequestMapping("get_deep_category.do")
    @ResponseBody
    public  ServerResponse getDeepCategory(HttpSession session,Integer categoryId){
        User user=(User) session.getAttribute(Const.CURRENT_USER);
        if(user==null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),"用户未登录,请登录");
        }
        if(iUserService.checkUserRole(user).isSuccess()){
            return iCategoryService.selectCategoryAndChildrenById(categoryId);
        }else{
            return  ServerResponse.createByErrorMessage("无权限操作,需要管理员权限");
        }
    }
}
